CN101995562A - Remote on-line calibration method for magnetic sensor - Google Patents
Remote on-line calibration method for magnetic sensor Download PDFInfo
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- CN101995562A CN101995562A CN 201010511490 CN201010511490A CN101995562A CN 101995562 A CN101995562 A CN 101995562A CN 201010511490 CN201010511490 CN 201010511490 CN 201010511490 A CN201010511490 A CN 201010511490A CN 101995562 A CN101995562 A CN 101995562A
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Abstract
The invention relates to a remote on-line calibration method for a magnetic sensor, which comprises the following steps: sending a calibrated instruction to a calibration site through Internet in the mode of e-mail; after an on-site control computer receives the e-mail, sending a control command to a bottom layer sine wave circuit; controlling the CPU of the circuit to determine and calibrate parameters such as frequency points, channels and the like according to the instruction; starting a waveform generation function; sending a calibrated signal and a sensing signal which is generated from the magnetic sensor to a calibrator; and after collection, compressing the signals by the control computer at the calibration site and then forwarding to a mailbox to finish the remote on-line calibration of the magnetic sensor. The method has simple step and is reliable, and the remote on-line calibration of the magnetic sensor can be realized without disassembling the magnetic sensor and then carrying back to a laboratory or carrying bulk calibration equipment to the site to calibrate.
Description
Technical field
The present invention relates to a kind of remote online calibration technique, is a kind of Magnetic Sensor remote online scaling method specifically.
Background technology
The Magnetic Sensor of magnetic-field measurement instrument by the high permeability magnetic core and around the home thereon wire coil form, utilize the principle of Faradic electricity magnetic induction, measure the external magnetic field signal, but along with service time is elongated, the magnetoconductivity of core material can change, and influences the test accuracy of instrument.Therefore, must regular Magnetic Sensor be demarcated.At present, Magnetic Sensor is mainly demarcated with Helmholtz coils, Helmholtz coils be by two radiuses equate, the number of turns equates that parallel to each other, the circular coil series aiding connection of coaxial placement is formed, and this equates with their radius the spacing between the coil; The geometric parameter of fixed coil, the number of turn of coil and the voltage that passes through just can produce a uniform controllable magnetic field space, thus Magnetic Sensor are demarcated.Its shortcoming is: because the big inconvenience carrying of Helmholtz coils floor area, and Magnetic Sensor is placed on the field mostly and is buried in undergroundly at present, demarcates again as need, and the calibration facility of transporting the laboratory back after must dismantle or carrying large volume arrives the scene.This mode makes the staking-out work complexity, damages Magnetic Sensor easily.Up to now, also do not have bibliographical information Magnetic Sensor remote online calibration technique, can't realize the remote online calibrating function in monitoring center.
Summary of the invention
Technical matters to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of composition simple, can carry out the remote online of Magnetic Sensor demarcates, method is reliable, need not to transport the laboratory back after the Magnetic Sensor dismounting or to carry the Magnetic Sensor remote online scaling method that the calibration facility of large volume is demarcated to the scene.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of Magnetic Sensor remote online scaling method, it is characterized in that: at first demarcating installation one marking apparatus on the on-the-spot Magnetic Sensor magnetic core, the coil of marking apparatus connects a sinusoidal wave circuit and demarcates on-the-spot controlling computer; Monitoring center's main frame sends to demarcate to instruct in the mode of Email by the internet demarcates on-the-spot controlling computer, after controlling computer receives mail, to the sinusoidal wave circuit transmitting control commands of bottom; CPU in the sinusoidal wave circuit orders according to this, determines to demarcate frequency, channel parameters, produces the sine wave of standard characteristic frequency; Send demarcation signal to marking apparatus, the sine wave that produces is sent to marking apparatus, marking apparatus produces the uniform magnetic field of certain intensity; Produce voltage behind the Magnetic Sensor induced field, after gathering data are returned controlling computer through amplification, filtering, A/D; Controlling computer is calculated the response coefficient of this Frequency point, handles packed data, beams back the appointment mailbox in the mode of Email, realizes the remote online demarcation of Magnetic Sensor by specifying mailbox service.
The present invention realizes the demarcation of Magnetic Sensor remote online by Email, sinusoidal wave circuit, marking apparatus, against existing technologies, step of the present invention is simple, method is reliable, the calibration facility that need not to transport the laboratory back after the Magnetic Sensor dismounting or to carry large volume carries out proving operation to the scene, realized the remote online demarcation of Magnetic Sensor.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 principle of work synoptic diagram of the present invention.
Number in the figure is: 1. sinusoidal wave circuit, 2. marking apparatus, 3. Magnetic Sensor, 4. controlling computer, 5. monitoring center's main frame.
Embodiment
A kind of Magnetic Sensor remote online scaling method, it comprises the steps:
(1) at first demarcating installation one marking apparatus on the on-the-spot Magnetic Sensor magnetic core, the coil of marking apparatus connects a sinusoidal wave circuit and demarcates on-the-spot controlling computer.The said marking apparatus of the present invention is to install and fix a supporter on the Magnetic Sensor magnetic core, uniform winding has the enameled wire coil on the supporter, coil one end resistance in series, the resistance of resistance determine that according to required generation magnetic field size the coil outside is provided with the open loop screen layer.During use, by applying the ac voltage signal of certain frequency, certain intensity, the magnetic field that promptly produces respective intensities, respective frequencies in coil.Magnetic Sensor is responded to this field signal and is produced voltage, measures this voltage signal, obtains the frequency response curve that native system is demarcated.
(2) monitoring center's main frame sends to demarcate to instruct in the mode of Email by the internet and demarcates on-the-spot controlling computer.In controlling computer, be provided with one by smtp protocol and specify mailbox, and regularly detect the order mail in the mailbox, give CPU transmitting control commands in the sinusoidal wave circuit of bottom according to the SMTP control protocol according to the particular content of order mail.
(3) the CPU control chip (ML2035) in the sinusoidal wave circuit determines to demarcate frequency, channel parameters according to above-mentioned control command, produces the sine wave of standard characteristic frequency.
(4) send demarcation signal to marking apparatus, the sine wave that produces is sent to marking apparatus, marking apparatus produces the uniform magnetic field of certain intensity.
(5) produce voltage behind the Magnetic Sensor induced field, the data after amplification, filtering, A/D gather are returned controlling computer.
(6) controlling computer is beamed back appointment mailbox in the mode of Email according to gathering the response coefficient that the back data computation obtains this Frequency point behind the processing packed data, realizes that by mailbox service the remote online of Magnetic Sensor is demarcated.
As can be seen from Figure 1, the present invention sends mail by the appointment mailbox of monitoring center's main frame 5 in controlling computer 4 that connects the internet, and controlling computer 4 reads mail and sends signal according to instruction to sinusoidal wave circuit 1; Select to demarcate frequency by the CPU in the sinusoidal wave circuit 1, parameters such as passage, start the ML2035 chip and send frequency, ac voltage signal that amplitude is certain, thereby make marking apparatus 2 produce frequency, the big or small certain current signal (I=V1/R) of amplitude, this variable-current has produced the even variation magnetic field B of certain intensity on marking apparatus 2; Magnetic Sensor 3 is responded to the formation voltage signal thus, after amplification, filtering, export V2, be sent to controlling computer 4 after the A/D sampling, the response coefficient and the compression processing that calculate this Frequency point are beamed back the appointment mailbox in the mode of mail, just can finish remote online in monitoring center like this and demarcate.
Claims (1)
1. a Magnetic Sensor remote online scaling method is characterized in that: a marking apparatus, the controlling computer that the coil of marking apparatus connects a sinusoidal wave circuit and demarcates the scene at first are installed on the Magnetic Sensor magnetic core at demarcation scene; Monitoring center's main frame sends to demarcate to instruct in the mode of Email by the internet demarcates on-the-spot controlling computer, after controlling computer receives mail, to the sinusoidal wave circuit transmitting control commands of bottom; CPU in the sinusoidal wave circuit orders according to this, determines to demarcate frequency, channel parameters, produces the sine wave of standard characteristic frequency; Send demarcation signal to marking apparatus, the sine wave that produces is sent to marking apparatus, marking apparatus produces the uniform magnetic field of certain intensity; Produce voltage behind the Magnetic Sensor induced field, after gathering data are returned controlling computer through amplification, filtering, A/D; Controlling computer is calculated the response coefficient of this Frequency point, handles packed data, beams back the appointment mailbox in the mode of Email, realizes the remote online demarcation of Magnetic Sensor by specifying mailbox service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010511490 CN101995562B (en) | 2010-10-19 | 2010-10-19 | Remote on-line calibration method for magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010511490 CN101995562B (en) | 2010-10-19 | 2010-10-19 | Remote on-line calibration method for magnetic sensor |
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| Publication Number | Publication Date |
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| CN101995562A true CN101995562A (en) | 2011-03-30 |
| CN101995562B CN101995562B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010511490 Expired - Fee Related CN101995562B (en) | 2010-10-19 | 2010-10-19 | Remote on-line calibration method for magnetic sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459238B (en) * | 2014-10-28 | 2017-08-29 | 成都工业学院 | A kind of measurement of magnetic field sensor production frock and manufacture craft |
| CN109738844A (en) * | 2019-03-07 | 2019-05-10 | 江苏苏威尔科技有限公司 | A kind of magnetic induction intensity transducer calibration and test fixture |
| CN110058186A (en) * | 2018-01-19 | 2019-07-26 | 阿森松技术公司 | Calibrate Magnetic Sensor |
| CN114184989A (en) * | 2021-12-01 | 2022-03-15 | 中国科学院合肥物质科学研究院 | Magnetic probe amplitude-frequency and phase-frequency calibration system and method based on Helmholtz coil |
| US11604057B2 (en) | 2018-01-19 | 2023-03-14 | Northern Digital Inc. | Calibrating a magnetic transmitter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271122A (en) * | 2008-04-18 | 2008-09-24 | 杭州中盛科技有限公司 | Material detecting and remote monitoring system for implementing supervision |
| CN201508216U (en) * | 2009-05-31 | 2010-06-16 | 北京京仪海福尔自动化仪表有限公司 | Novel digital switch matrix level transducer |
-
2010
- 2010-10-19 CN CN 201010511490 patent/CN101995562B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271122A (en) * | 2008-04-18 | 2008-09-24 | 杭州中盛科技有限公司 | Material detecting and remote monitoring system for implementing supervision |
| CN201508216U (en) * | 2009-05-31 | 2010-06-16 | 北京京仪海福尔自动化仪表有限公司 | Novel digital switch matrix level transducer |
Non-Patent Citations (1)
| Title |
|---|
| 《传感器世界》 20080825 田永炜等 宽带超低频磁传感器的研制 第14卷, 第8期 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459238B (en) * | 2014-10-28 | 2017-08-29 | 成都工业学院 | A kind of measurement of magnetic field sensor production frock and manufacture craft |
| CN110058186A (en) * | 2018-01-19 | 2019-07-26 | 阿森松技术公司 | Calibrate Magnetic Sensor |
| US11604057B2 (en) | 2018-01-19 | 2023-03-14 | Northern Digital Inc. | Calibrating a magnetic transmitter |
| CN110058186B (en) * | 2018-01-19 | 2023-10-27 | 阿森松技术公司 | Magnetic sensor calibration system and method |
| CN109738844A (en) * | 2019-03-07 | 2019-05-10 | 江苏苏威尔科技有限公司 | A kind of magnetic induction intensity transducer calibration and test fixture |
| CN114184989A (en) * | 2021-12-01 | 2022-03-15 | 中国科学院合肥物质科学研究院 | Magnetic probe amplitude-frequency and phase-frequency calibration system and method based on Helmholtz coil |
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| Publication number | Publication date |
|---|---|
| CN101995562B (en) | 2013-05-08 |
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